<template>
  <div class="login">
    <van-nav-bar title="会员登录" left-arrow @click-left="$router.go(-1)" />
    <div class="container">
      <div class="title">
        <h3>手机号登录</h3>
        <p>未注册的手机号登录后将自动注册</p>
      </div>
      <div class="form">
        <div class="form-item">
          <input v-model="mobile" class="inp" maxlength="11" placeholder="请输入手机号码" type="text" />
        </div>
        <div class="form-item">
          <input v-model="picCode" class="inp" maxlength="5" placeholder="请输入图形验证码" type="text" />
          <img alt="" v-if="picUrl" :src="picUrl" />
        </div>
        <div class="form-item">
          <input v-model="msgCode" class="inp" placeholder="请输入短信验证码" type="text" />
          <button @click="getCode()">
            {{
              second === totalSecond ? "获取验证码" : second + `秒后重新发送`
            }}
          </button>
        </div>
      </div>

      <div class="login-btn" @click="login()">登录</div>
    </div>
  </div>
</template>

<script setup>
// import request from "../utils/request";
import { ref, onMounted, onUnmounted } from "vue";
import { getPicCode, getMsgCode, codeLogin } from "../api/login";
import { useRouter, useRoute } from "vue-router";

const router = useRouter();

let picUrl = ref("");
let picKey = ref("");

let totalSecond = ref(60); // 总秒数
let second = ref(60); // 倒计时的秒数
let timer = ref(null); // 定时器 id

let mobile = ref("17858252091"); //手机号
let picCode = ref(""); //图形验证码

let msgCode = ref("246810");//短信验证码

onMounted(() => {
  getpicUrl();
});
onUnmounted(() => {
  clearInterval(timer);
});
//图形验证码图片
async function getpicUrl() {
  let res = await getPicCode();
  picUrl.value = res.data.base64;
  picKey.value = res.data.key;
  // console.log(res);
}
// 校验输入框内容
function validFn() {
  if (!/^1[3-9]\d{9}$/.test(mobile.value)) {
    showToast("请输入正确的手机号");
    return false;
  }
  if (!/^\w{4}$/.test(picCode.value)) {
    showToast("请输入正确的图形验证码");
    return false;
  }
  return true;
}
//获取验证码
async function getCode() {
  if (!validFn()) {
    return;
  }
  //文字修改
  if (!timer.value && second.value === totalSecond.value) {
    // 发送请求，获取验证码
    await getMsgCode(picCode.value, picKey.value, mobile.value);
    showToast("发送成功，请注意查收");
    // 开启倒计时
    timer.value = setInterval(() => {
      second.value--;

      if (second.value < 1) {
        clearInterval(timer.value);
        timer.value = null;
        second.value = totalSecond.value;
      }
    }, 1000);
    showToast("发送成功，请注意查收自己电脑测试的");
  }
}
async function login() {
  if (!validFn()) {
    return;
  }
  if (!/^\d{6}$/.test(msgCode.value)) {
    showToast("请输入正确的手机验证码");
    return;
  }
  await codeLogin(mobile.value, msgCode.value);
  router.push("/");
  showToast("登录成功");
}



</script>

<style lang="less" scoped>
.container {
  padding: 49px 29px;

  .title {
    margin-bottom: 20px;

    h3 {
      font-size: 26px;
      font-weight: normal;
    }

    p {
      line-height: 40px;
      font-size: 14px;
      color: #b8b8b8;
    }
  }

  .form-item {
    border-bottom: 1px solid #f3f1f2;
    padding: 8px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;

    .inp {
      display: block;
      border: none;
      outline: none;
      height: 32px;
      font-size: 14px;
      flex: 1;
    }

    img {
      width: 94px;
      height: 31px;
    }

    button {
      height: 31px;
      border: none;
      font-size: 13px;
      color: #cea26a;
      background-color: transparent;
      padding-right: 9px;
    }
  }

  .login-btn {
    width: 100%;
    height: 42px;
    margin-top: 39px;
    background: linear-gradient(90deg, #ecb53c, #ff9211);
    color: #fff;
    border-radius: 39px;
    box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.1);
    letter-spacing: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}
</style>
